{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "arguments": ["vulnerability", "releaser", "supported platform", "vulnerable system version", "vulnerable system", "patch number", "common vulnerabilities and exposures", "issues addressed", "time", "patch"]}], "input": "Separately , Microsoft is reportedly working on a fix for a \" fatal flaw \" in its initial Windows 10 fix for the Meltdown CPU vulnerability ."}
{"patch vulnerability": [{"vulnerability": ["the Meltdown CPU vulnerability", "a \" fatal flaw \""], "releaser": "Microsoft", "supported platform": "NAN", "vulnerable system version": "NAN", "vulnerable system": "NAN", "patch number": "NAN", "common vulnerabilities and exposures": "NAN", "issues addressed": "NAN", "time": "NAN", "patch": ["its initial Windows 10 fix", "a fix"]}]}